A centrifugal clutch transmitting 20 KW at 900 rpm consists of four shoes. The clutch is to be engaged at 500 rpm . The inner radius of the drum is 165 mm . The radius of the centre of gravity of the shoes is 140 mm , when the clutch is engaged. The coefficient of friction is 0.3 , while the permissible pressure on friction lining is $0.1 \mathrm{~N} / \mathrm{mm}^{2}$. Calculate: (b) the dimensions of friction lining.
Explanation
The formula for area is derived from the equation of equilibrium, which states that the sum of the forces acting on an object is equal to zero. The formula for radius is derived from the equation of area, which states that the area of a circle is given by A = π \* r^2.
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